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Topological patterns in street networks of self-organized urban settlements

Author

Listed:
  • C. Buhl

    (Centre de Recherches sur la Cognition Animale, CNRS UMR 5169, Université Paul Sabatier)

  • J. Gautrais

    (Centre de Recherches sur la Cognition Animale, CNRS UMR 5169, Université Paul Sabatier)

  • N. Reeves

    (Laboratoire NXI GESTATIO, Département de Design, Université du Québec à Montréal)

  • R. V. Solé

    (ICREA-Complex Systems Lab,Universitat Pompeu Fabra)

  • S. Valverde

    (ICREA-Complex Systems Lab,Universitat Pompeu Fabra)

  • P. Kuntz

    (Laboratoire d'Informatique Nantes-Atlantique, Université de Nantes)

  • G. Theraulaz

    (Centre de Recherches sur la Cognition Animale, CNRS UMR 5169, Université Paul Sabatier)

Abstract

. Many urban settlements result from a spatially distributed, decentralized building process. Here we analyze the topological patterns of organization of a large collection of such settlements using the approach of complex networks. The global efficiency (based on the inverse of shortest-path lengths), robustness to disconnections and cost (in terms of length) of these graphs is studied and their possible origins analyzed. A wide range of patterns is found, from tree-like settlements (highly vulnerable to random failures) to meshed urban patterns. The latter are shown to be more robust and efficient.

Suggested Citation

  • C. Buhl & J. Gautrais & N. Reeves & R. V. Solé & S. Valverde & P. Kuntz & G. Theraulaz, 2006. "Topological patterns in street networks of self-organized urban settlements," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 49(4), pages 513-522, February.
    • Handle: RePEc:spr:eurphb:v:49:y:2006:i:4:d:10.1140_epjb_e2006-00085-1
    DOI: 10.1140/epjb/e2006-00085-1
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